Python wx 模块，ITEM_CHECK 实例源码

def __init__(self, *args, **kwds):
        self.serial = serial.Serial()
        self.serial.timeout = 0.5   # make sure that the alive event can be checked from time to time
        self.settings = TerminalSetup()  # placeholder for the settings
        self.thread = None
        self.alive = threading.Event()
        # begin wxGlade: TerminalFrame.__init__
        kwds["style"] = wx.DEFAULT_FRAME_STYLE
        wx.Frame.__init__(self, *args, **kwds)

        # Menu Bar
        self.frame_terminal_menubar = wx.MenuBar()
        wxglade_tmp_menu = wx.Menu()
        wxglade_tmp_menu.Append(ID_CLEAR, "&Clear", "", wx.ITEM_NORMAL)
        wxglade_tmp_menu.Append(ID_SAVEAS, "&Save Text As...", "", wx.ITEM_NORMAL)
        wxglade_tmp_menu.AppendSeparator()
        wxglade_tmp_menu.Append(ID_TERM, "&Terminal Settings...", "", wx.ITEM_NORMAL)
        wxglade_tmp_menu.AppendSeparator()
        wxglade_tmp_menu.Append(ID_EXIT, "&Exit", "", wx.ITEM_NORMAL)
        self.frame_terminal_menubar.Append(wxglade_tmp_menu, "&File")
        wxglade_tmp_menu = wx.Menu()
        wxglade_tmp_menu.Append(ID_RTS, "RTS", "", wx.ITEM_CHECK)
        wxglade_tmp_menu.Append(ID_DTR, "&DTR", "", wx.ITEM_CHECK)
        wxglade_tmp_menu.Append(ID_SETTINGS, "&Port Settings...", "", wx.ITEM_NORMAL)
        self.frame_terminal_menubar.Append(wxglade_tmp_menu, "Serial Port")
        self.SetMenuBar(self.frame_terminal_menubar)
        # Menu Bar end
        self.text_ctrl_output = wx.TextCtrl(self, -1, "", style=wx.TE_MULTILINE | wx.TE_READONLY)

        self.__set_properties()
        self.__do_layout()

        self.Bind(wx.EVT_MENU, self.OnClear, id=ID_CLEAR)
        self.Bind(wx.EVT_MENU, self.OnSaveAs, id=ID_SAVEAS)
        self.Bind(wx.EVT_MENU, self.OnTermSettings, id=ID_TERM)
        self.Bind(wx.EVT_MENU, self.OnExit, id=ID_EXIT)
        self.Bind(wx.EVT_MENU, self.OnRTS, id=ID_RTS)
        self.Bind(wx.EVT_MENU, self.OnDTR, id=ID_DTR)
        self.Bind(wx.EVT_MENU, self.OnPortSettings, id=ID_SETTINGS)
        # end wxGlade
        self.__attach_events()          # register events
        self.OnPortSettings(None)       # call setup dialog on startup, opens port
        if not self.alive.isSet():
            self.Close()